Low-Power, Stereo Audio Codec
with FlexSound Technology
Typical Operating Characteristics (continued)
(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = 1.8V, VSPKLVDD = VSPKRVDD = 3.7V. Speaker loads (ZSPK) connected between
SPK_P and SPK_N. Receiver load (RREC) connected between RECP and RECN. Headphone loads (RHP) connected from HPL or HPR
to HPGND. Line out (RLOUT) connected from LOUTL or LOUTR to SPKLGND, CREF = 2.2FF, CMICBIAS = CREG = 1FF, CC1N-C1P =
1FF, CHPVDD = CHPVSS = 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN = 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB,
AVADCGAIN = 0dB, AVPGAIN_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. TA
= +25NC, unless otherwise noted.)
SOFTWARE TURN-ON/OFF RESPONSE
(DAC TO RECEIVER, VSEN = 0)
MAX98089 toc41
SCL
2V/div
RECEIVER
OUTPUT
0.5V/div
10ms/div
SOFTWARE TURN-ON/OFF RESPONSE
(DAC TO RECEIVER, VSEN = 1)
MAX98089 toc42
SCL
1V/div
RECEIVER
OUTPUT
1V/div
10ms/div
FFT, 0dBFS (DAC TO RECEIVER)
AMPLITUDE
(dBV)
20
-140
MAX98089
toc43
FREQUENCY (kHz)
15
10
5
020
-120
-100
-80
-60
-40
-20
0
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
RREC = 32I
FFT, -60dBFS (DAC TO RECEIVER)
MAX98089
toc44
AMPLITUDE
(dBV)
-120
-100
-80
-60
-40
-20
0
-140
FREQUENCY (kHz)
15
10
5
020
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
RREC = 32I
Maxim Integrated
36
MAX98089